Rolex Sea-Dweller 43mm Stainless Steel Circa 2017 for Sale

The Rolex Sea-Dweller 43mm Stainless Steel Circa 2017 is for sale as a one-off piece. The Sea-Dweller is the deeper-rated Submariner, built with a helium escape valve for saturation diving.

The case measures 43mm in stainless steel. The movement is automatic, wound by the motion of the wrist.

A date display is set into the dial. Production dates to Circa 2017. The Rolex Sea‑Dweller Reference 126600, widely known as the SD43, is the modern deep‑sea professional diver introduced in 2017 to mark the 50th anniversary of the Sea‑Dweller line. Its 43 mm Oystersteel case established a new, more contemporary scale for the model, while retaining the helium escape valve and saturation‑diving pedigree that define the Sea‑Dweller family. The dial features the celebrated red “Sea‑Dweller” script, a deliberate vintage callback to the earliest references of the late 1960s. Powered by the Calibre 3235, the 126600 delivers extended autonomy, enhanced chronometric performance, and the robustness expected of Rolex’s professional‑grade engineering. As the anniversary reference, the SD43 occupies a distinctive position in the modern Sea‑Dweller lineage, a blend of heritage cues and next generation technical capability. Rolex does not publish production figures, does not discount, and allocates its steel sport models years behind demand. That structure is most of why the secondary market prices the way it does.

Condition is stated as Pre-owned.

• Brand: Rolex
• Model: Sea-Dweller
• Family: Sea-Dweller
• Reference: 126600
• Case size: 43mm
• Case material: Stainless Steel
• Movement: Automatic
• Complications: Bracelet, Date
• Dial: Black
• Year: Circa 2017
• Condition: Pre-owned
• SKU: ROL-SEA-126600-194

Available to buy as a one-off. Every watch is photographed individually, so the gallery shows the exact piece that ships.

Buying this Rolex Sea-Dweller 126600

Above all, we hold one Rolex Sea-Dweller 126600 rather than a restockable line. Therefore the watch in the gallery is the watch that ships to you. For example, we photograph the caseback and the clasp, not only the dial. Meanwhile, you can weigh it against Rolex Cellini Time 39mm White Gold 2019, or against Rolex GMT-Master II 40mm White Gold Circa 2009. Similarly, the rest of our Rolex watches and the wider watch collection move every week.

How we authenticate and grade it

We authenticate every watch in house before listing it, so the grade above is ours rather than a consignor’s summary. However, condition language shifts from seller to seller, so we describe wear in plain words as well. Because sunlight fades a dial faster than wear does, store it out of direct light. In addition, how we authenticate sets out the process.

Shipping and import charges

We ship worldwide and insure every parcel, at no cost to you. However, import charges depend on where you live, so budget for them early. In short, the landed cost matters as much as the ticket price, and we set out the arithmetic in VAT, duty and the true landed cost. Meanwhile our Instagram shows what has just landed, and Facebook carries the same arrivals. If this Rolex Sea-Dweller 126600 is not the one, read what to check on a pre-owned watch next, then what moves resale value, and returns and refunds covers the rest.

Full delivery and returns terms